The best man of all is he who knows everything himself. Good also the man who accepts another's sound advice; but the man who neither knows himself nor takes to hear what another says, he is no good at all.
Observe due measure, for right timing is in all things the most important factor.
A sparing tongue is the greatest treasure among men.
If you add a little to a little and do this often, soon the little will become great.
Do not seek dishonest gains: dishonest gains are losses.
Bacteria: The only culture some people have.